6650-00-621-2930

Find complete technical information, availability, and procurement data for: 6650-00-621-2930
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-621-2930

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

A transparent item with at least two polished plane surfaces inclined toward each other, designed for use in optical instruments to reflect and/or refract a beam of light. It may have one or more mirrored surfaces for greater reflection. Includes optical wedges used to divert paths of light by refraction, but to a lesser degree. See also beam splitter, optical instrument.

0.450 inches minimum and 0.490 inches maximum compound lens overall axial thickness, 0.380 inches nominal and 0.090 inches nominal axial thickness, 0.965 inches minimum and 0.968 inches maximum diameter, 2.686 inches equivalent focal length, 0.341 inches nominal compound lens edge thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 0.965 inches minimum and 0.968 inches maximum
Axial Thickness: 0.380 inches nominal and 0.090 inches nominal
Compound Lens Overall Axial Thickness: 0.450 inches minimum and 0.490 inches maximum
Compound Lens Edge Thickness: 0.341 inches nominal
Equivalent Focal Length: 2.686 inches
Back Focal Length: 2.231 inches
Refraction Index: 1.7200 nominal and 1.5170 nominal
Abbe Constant: 29.300 and 64.500
Compound Lens Style: doublet
Individual Lens Style: double convex and double concave
Element Left Surface Radius: -1.202 inches and 0.885 inches
Element Right Surface Radius: -1.202 inches and 8.841 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: rangefinder m17c

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1260006212930	Optical Instrument Lens
6650006212930	Optical Instrument Lens
8200003	Optical Instrument Lens

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6650-00-621-2930?

The FSCG of the NSN 6650-00-621-2930 is 6650

Does the NSN 6650-00-621-2930 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-621-2930 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6650-00-621-2930 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-621-2930 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6650-00-621-2930 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963